"Larry L" wrote in message
...
I can't find a more 'official' link, but this is important stuff if you're
going to Yellostone this summer, after Mid-August especially

http://tinyurl.com/d7f2h4


Only the first few paragraphs need your attention, much of the rest
pertains
only to one fly shop's perspective



Another bad travel situation in Yellowstone may have just gotten worse, for
me. My old diesel made such a racket that even the oldest most blasé
Bison would step lively to get out of my way. I've hurried many a
BuffaloJam off the road. The noise from the new one won't impress them,
I'm afraid. Everything has both up and down sides.